Romans 14:2

One man hath faith to eat every kind of food; another, who is weak, eateth herbs only.

Romans 14:14

I know, and am persuaded in the Lord Jesus, that nothing is unclean in itself; but to him that accounteth anything to be unclean, to him it is unclean.

Romans 14:22-23

Thou hast faith; have it to thyself before God. Happy is he who doth not condemn himself in that which he alloweth.

1 Corinthians 10:25

Whatever is sold in the market that eat, without asking questions for the sake of conscience;

Galatians 2:12

For before certain persons came from James, he used to eat with the gentiles; but when they came, he withdrew, and separated himself, fearing those who were of the circumcision.

1 Timothy 4:4

For every creature of God is good, and nothing to be refused, if it be received with thanksgiving;

Titus 1:15

To the pure all things are pure; but to the defiled and unbelieving nothing is pure, but both their mind and conscience are defiled.

Hebrews 9:10

being only ordinances pertaining to the flesh, which in addition to meats and drinks and divers washings are imposed until the time of reformation.

Hebrews 13:9

Be not carried aside with various and strange teachings; for it is good that the heart be established with grace, not with meats, in which those who walked were not profited.

Treasury of Scripture Knowledge

Summary

For one believeth that he may eat all things: another, who is weak, eateth herbs.

Another

Bible References

That

Romans 14:14
I know, and am persuaded in the Lord Jesus, that nothing is unclean in itself; but to him that accounteth anything to be unclean, to him it is unclean.
1 Corinthians 10:25
Whatever is sold in the market that eat, without asking questions for the sake of conscience;
Galatians 2:12
For before certain persons came from James, he used to eat with the gentiles; but when they came, he withdrew, and separated himself, fearing those who were of the circumcision.
1 Timothy 4:4
For every creature of God is good, and nothing to be refused, if it be received with thanksgiving;
Titus 1:15
To the pure all things are pure; but to the defiled and unbelieving nothing is pure, but both their mind and conscience are defiled.
Hebrews 9:10
being only ordinances pertaining to the flesh, which in addition to meats and drinks and divers washings are imposed until the time of reformation.
Hebrews 13:9
Be not carried aside with various and strange teachings; for it is good that the heart be established with grace, not with meats, in which those who walked were not profited.

Another

Romans 14:22
Thou hast faith; have it to thyself before God. Happy is he who doth not condemn himself in that which he alloweth.